1. The “Organization centre”

   • P. D. Nieuwkoop

   OriginalPaper Pages: 151 - 177

2. The “Organization centre”

   • P. D. Nieuwkoop

   OriginalPaper Pages: 178 - 194

3. Subjective variables in electro-physiological recording

   • L. R. C. Haward

   OriginalPaper Pages: 195 - 204